bug#6514: cursor movement around unicode bug

[Glenn Morris]

"Xah Lee" wrote:

> create a file with the following 2 lines of unicode char.
>
> â‡'â‡'â‡'â‡'
> â‡'â‡'â‡'â‡'
>
> (these are just repeated character of unicode #x21d2)
>
> place your cursor in one of the arrow. Move your cursor left and
> right. Then, press arrow up or down to move cursor to the next line.
>
> Expected behavior is that they move to the same column as the previous line.
>
> What actually happens is that the cursor got moved one column less.
> That is, more to the left.
>
> Might try to move around the arrow a bit in order to reproduce this
> problem. I think you might have to move cursor left rigt on the same
> line first.
[...]
> In GNU Emacs 23.2.1 (i386-mingw-nt6.0.6002) of 2010-05-08 on G41R2F1
> ErgoEmacs distribution 1.8.1


I can't reproduce this. Can anyone?